@article{Kunzmann2021,
  author    = {G{\"u}nther Kunzmann},
  title     = {Nachruf Prof. Dr. Heinrich Vollrath},
  journal   = {Botanik und Naturschutz in Hessen},
  volume    = {33.2021},
  pages     = {249 -- 255},
  year      = {2021},
}